CVE-2023-40481

描述

7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of SQFS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18589.

如何修補 CVE-2023-40481

要修補 CVE-2023-40481,請將受影響套件升級到下列已修補版本。

• —升級至 22.01+really25.01+dfsg-0+deb12u1 或更新版本
• —升級至 16.02+really25.01+dfsg-0+deb11u1 或更新版本

CVE-2023-40481 正在被利用嗎?

中等 — EPSS 為 27.1%,可持續追蹤但非最高優先。

受影響套件(2)

• from 0, < 22.01+really25.01+dfsg-0+deb12u1
• from 0, < 16.02+really25.01+dfsg-0+deb11u1

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2023-40481